• [1]

    C. D. Bowman, Physical Review Letters, 25(1970), 1302.[2] L. W. Fagg et al., Review Modern Physics, 47(1975), 683.[3] S. Raman et al., "Proceedings of the International Conference on Nuclear Physics",Tokyo(1977), 454.[4] J. D. Vergados, Physics Letters, 36B(1971), 12.[5] P. Ring, J. Spech, Nuclear Physics, A235(1974), 315.[6] J. S. Dehesa et al., "Proceedings of the International Conference on Nuclear Physics ", Tokyo (1977), 452.